Bulgaria
Stamp from souvenir sheet
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | BULGARIA '99, Sofia (II): SS. Cyril and Methodius |
| Nominal: | 600 лв |
| Year: | 1999 |
| Size: | 29 x 39 mm |
| Perforation: | comb 13 |
| Mintage: | 20,000 |
